Four species of Heliantheae (Asteraceae) found in the state of Rio Grande do Sul are first reported here for Brazil: Acmella psilocarpa R.K. Jansen, Angelphytum grisebachii (Baker) H. Rob., Angelphytum tenuifolium (Hassl.) H. Rob. and Viguiera nudicaulis (Pers.) Baker. Species descriptions and illustrations are presented. Additional information is provided concerning geographic distribution, habitats and phenology.
Asteraceae; Heliantheae; Acmella Rich.; Angelphytum G.M. Barroso; Viguiera Kunth
